Examine source code of Varisty101

{
  "theme": {
    "images": {
      "theme_frame": "FireFox5.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Varisty101",
  "manifest_version": 2,
  "description": "Varsity-101 brings your campus to life with face-melting designs, generating excitement and school pride up the wazoo. Why not spice up your web browser, too?!"
}